package Mw;
public class Circle{
	 void printArea(double r){
	   System.out.println(r*r*3.1415926);
	 }
	}
	class Rectangle {
	 void printArea(double a,double b){
	     System.out.println(a*b);
	 }
	}
	class MainClass {
	 public static void main(String args[]) {
	  Circle circle = new Circle();
	  circle.printArea(100);
	  Rectangle rect = new Rectangle();
	  rect.printArea(100,65);
	 }
	}
